Across
- 4. balls of ice found in the kuiper belt
- 5. curved path around a star, planet or moon
- 8. position in the sky
- 11. there is a chocolate bar named after this planet
- 12. large rocks floating in the universe
- 14. constellations that circle around Polaris
- 16. largest moon in the Solar System
- 18. first asteroid to be discovered
- 21. a shooting star
- 23. once considered for the position of 10th planet
- 24. named after the original god of the sky
- 26. another word as the North Star
- 27. smallest planet and has no moons
- 28. move in a circular orbit around one object
- 29. another word for gas giant
- 31. Milky Way
Down
- 1. the fastest spinning planet
- 2. planets that form from dust grains
- 3. the sun's energy
- 6. an instrument scientists use to view space
- 7. a type of salt
- 9. distance travelled in a year
- 10. made up of millions of galaxies
- 13. comes from the latin word luna
- 15. has 62 moons
- 17. blocking of the passing of light
- 19. the smallest gas giant
- 20. Earth's twin planet
- 22. our planet
- 25. how astronomers measure distance
- 26. in 2006 they reclassified this as a dwarf planet
- 30. not able to produce light